書誌事項
- タイトル別名
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- Preoperative Evaluation of Circle of Willis Morphology in Patients Undergoing Carotid Endarterectomy
- ―術前のWillis動脈輪前方の形態学的評価と術中SEPの変化―
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抄録
Cerebral ischemia during clamping of the carotid artery is a procedure-related complication in carotid endarterectomy (CEA). A correlation between the status of the circle of Willis, especially A1-A2 morphology, and the alteration of intraoperative somatosensory evoked potentials (SEP) was evaluated in 68 patients. All carotid endarterectomies were performed under general anesthesia without shunting. Patients were classified into 3 groups based on A1-A2 morphology in preoperative cerebral angiography. The amplitude of intraoperative SEP was decreased in 57.1% of patients with hypoplasia or absence of contralateral A1. On the other hand, amplitude was decreased in 26.7% of patients with hypoplasia or absence of ipsilateral A1 and in 11.4% of patients with patent bilateral A1. <br> Incompleteness of the anterior part of the circle of Willis, especially hypoplasia or absence of contralateral A1, is a significant risk factor for developing of ischemia during clamping of the carotid artery.<br>
収録刊行物
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- 脳卒中の外科
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脳卒中の外科 36 (2), 95-99, 2008
一般社団法人 日本脳卒中の外科学会
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詳細情報 詳細情報について
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- CRID
- 1390282679649806464
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- NII論文ID
- 110006657123
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- NII書誌ID
- AN10061756
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- ISSN
- 18804683
- 09145508
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可